PLASTICS
Types
Thermoplastics
Polethylene
Polystyrene
PVC (Polyvinyl chloride)
Polypropylene
PET (Polyethylene terephthalate)
Teflon
Polycarbonate
Thermoshet
Melamine
Bakelite
Polyester resins
Elastomers
Rubber
Neoprene
Forming
Extrusion
This procedure is used with thermoplastics to obtain long products.
Injection moulding
This method is used tomake casings for kitchens appliances...
Compression moulding
This method is used to form small parts such as plugs
Blow moulding
Blow moulding is used to form bottles, toys and hollow objects
Vacuum forming
This metod is used to make yogurth pots,egg cups...
Machinig
Turning
This consists of holding plastics part in clamps and rotating.
Millling
Milling insolves grinding the part using a rotary tool with lots of teeh
Grinding
Has an abrasive wheel that polishes the surface to remove burrs and excess material.
Environmental impact
Non-biodegradable
Mechanical recycling
3D Printing
Material used
ABS (crylonitrile butadiene stryene)
PLA (polylactic acid)
Laybrick
Laywoo-D3
Filaflex
Characteristics
Technologies
Powder bed fusion
Extrusion deposition
Main parts
Electronics
Mechanics
Extruder
Printing process
Desing
Slicing
Printing
Printing design and control software
Programs for desingning parts
OpenSCAD
Tinkercad
FreeCAD
Silicing programs
Cura
Silic3r
Printer control software
Repetier-control